A content playback device 1 displays a content list displayed on a display unit 2 in a first display mode in which list words are identical in size to each other and list buttons are identical in size to each other if a speed of scrolling for the content list is lower than a threshold. The periphery and the base are connected together, the periphery upwardly extending from the base. The methods involve feeding LCP supplemented, nutrient-enriched formulas for an extended feeding regimen, typically until at least 3 months corrected age, preferably to 6 or even 12 months CA. The gas generator is located in the aft end of the munitions canister.